Need a script or one-liner to purge lines from a file.
i all.
This one sounds so simple, but I can't get it to work. I need to delete lines with certain keywords from a file.
I have a file called defaultRules, with keywords:
Code:
IPSEC_AH
IKE_UDP
IPMP_TEST_IFACE2
Then, I have another file called rules.txt with some rules:
Code:
'344.','IPSEC_ESP','','','','','1.','0.','0.','0.','0.','5.','1.','Allow IPSec ESP Packets on all IP interfaces'
'345.','IPSEC_AH','','','','','1.','0.','0.','0.','0.','6.','1.','Allow IPSec AH Packets on all IP interfaces'
'346.','IKE_TCP','','','','','1.','500.','0.','0.','0.','3.','1.','Allow IKE Negotiation on all IP interfaces'
'347.','IKE_UDP','','','','','1.','500.','0.','0.','0.','2.','1.','Allow IKE Negotiation on all IP interfaces'
'348.','CLUSTER_IC_NODE1','clusternode1-priv','','','','1.','0.','0.','0.','0.','4.','1.','Allow cluster inter-connect packets from node 1'
'349.','CLUSTER_IC_NODE2','clusternode2-priv','','','','1.','0.','0.','0.','0.','4.','1.','Allow cluster inter-connect packets from node 2'
'350.','ICMP_NODE_IP','ipmp_node_alias','','','','1.','0.','0.','0.','0.','1.','1.','Allow ICMP to Node IP'
'351.','ICMP_BMS','ipmp_bms','','','','1.','0.','0.','0.','0.','1.','1.','Allow ICMP to BMS IP'
'352.','IPMP_TEST_IFACE1','ipmp_test_alias_1','','','','1.','0.','0.','0.','0.','1.','1.','Allow IPMP Test Packets on 1st test interface'
'353.','IPMP_TEST_IFACE2','ipmp_test_alias_2','','','','1.','0.','0.','0.','0.','1.','1.','Allow IPMP Test Packets on 2nd test interface'
The objective is to remove all lines in rules.txt that contain the keywords in defaultRules, so I tried this by first renaming the keywords to 'unused' and then removing all lines that contain 'unused':
Code:
for a in `cat defaultRules` ; do sed -e 's/$a/unused/' rules.txt | grep -v unused > rules.out ; done
It did nothing, rules.txt and rules.out are identical.
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DIALTEST(8C)DIALTEST(8C)NAME
dialtest - HylaFAX dial string processing rules test program
SYNOPSIS
/usr/sbin/dialtest [ options ] dialrules
DESCRIPTION
dialtest is an interactive program for the testing and development of dial string processing rules used by HylaFAX. dialtest reads the
file of rules specified on the command line and then prompts for a dial string. For each string typed in, dialtest prints the result of
applying the canonicalization and dial-string preparation rule sets. A rule set whose name is setname can be specified by typing ``set-
name(string)''; for example, ``CanonicalName(+1.415.965.7824)''.
Note that dialtest reads the rules file only when it is initially started up. This means that dialtest must be restarted for it to apply
changes to a rules file.
OPTIONS -a code Use code as the value of AreaCode in the rules file. The default area code is ``415''.
-c code Use code as the value of CountryCode in the rules file. The default country code is ``1''.
-i prefix Use prefix as the value of InternationalPrefix in the rules file. The default international dialing prefix is ``011''.
-l prefix Use prefix as the value of LongDistancePrefix in the rules file. The default long distance dialing prefix is ``1''.
-q Be quiet, suppressing most all output except for the actual results. This is useful for using dialtest in an automated fashion.
-v Print each input line before displaying the results of applying the dial string rules to the input string. This can be useful,
for example, in shell scripts.
SEE ALSO dialrules(5F)
March 3, 1995 DIALTEST(8C)
10-12-2010
